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From: Dario Faggioli <dario.faggioli@citrix.com>
To: Simon Martin <smartin@milliways.cl>
Cc: Roland Heusser <heusserr@mail.gvsu.edu>,
	Sisu Xi <xisisu@gmail.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Joshua Whitehead <whitehej@mail.gvsu.edu>,
	"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
	Drek Darkover <wackerei@gmail.com>,
	Keir Fraser <keir.xen@gmail.com>,
	Nate Studer <nate.studer@dornerworks.com>
Subject: Re: PV guest timings
Date: Wed, 27 Nov 2013 00:33:19 +0100	[thread overview]
Message-ID: <1385508799.15201.50.camel@Solace> (raw)
In-Reply-To: <em8e216a58-7651-40d5-847d-c78920bec946@smartin-alien>


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On mar, 2013-11-26 at 15:38 +0000, Simon Martin wrote:


> As an additional comment. I decided to filter out the samples with
> negative latency. This seems to happen 100 times a second, i.e. the 10
> ms Hypervisor timer event.
>
Again, what's "negative latency" ?

Dario

-- 
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)


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  reply	other threads:[~2013-11-26 23:33 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-14 21:18 VCPUOP_set_periodic_timer Simon Martin
2013-11-14 21:39 ` VCPUOP_set_periodic_timer Andrew Cooper
2013-11-15 11:24   ` VCPUOP_set_periodic_timer Simon Martin
2013-11-15 11:36     ` VCPUOP_set_periodic_timer Keir Fraser
2013-11-15 11:45       ` VCPUOP_set_periodic_timer Simon Martin
2013-11-15 11:56         ` VCPUOP_set_periodic_timer Keir Fraser
2013-11-15 12:37           ` VCPUOP_set_periodic_timer Simon Martin
2013-11-15 13:10             ` VCPUOP_set_periodic_timer Keir Fraser
2013-11-15 13:13               ` VCPUOP_set_periodic_timer Andrew Cooper
2013-11-15 13:39                 ` VCPUOP_set_periodic_timer Keir Fraser
2013-11-15 11:41     ` VCPUOP_set_periodic_timer Andrew Cooper
2013-11-15 12:02       ` VCPUOP_set_periodic_timer Simon Martin
2013-11-15 12:17         ` VCPUOP_set_periodic_timer Andrew Cooper
2013-11-15 12:46           ` VCPUOP_set_periodic_timer Nate Studer
2013-11-15 12:52             ` VCPUOP_set_periodic_timer Andrew Cooper
2013-11-15 12:54             ` VCPUOP_set_periodic_timer George Dunlap
2013-11-15 21:10       ` VCPUOP_set_periodic_timer Dario Faggioli
2013-11-16 20:37         ` VCPUOP_set_periodic_timer Simon Martin
2013-11-18 18:28           ` VCPUOP_set_periodic_timer Dario Faggioli
2013-11-26 14:50             ` PV guest timings Simon Martin
2013-11-26 15:11               ` Keir Fraser
2013-11-26 15:38                 ` Simon Martin
2013-11-26 23:33                   ` Dario Faggioli [this message]
2013-11-27  2:32                     ` Simon Martin
2013-11-27  8:46                       ` Dario Faggioli
2013-11-27 12:04                         ` Simon Martin
2013-11-27 10:38                   ` David Vrabel
2013-11-27 14:07                     ` Simon Martin
2013-11-26 23:31               ` Dario Faggioli
2013-11-27  2:36                 ` Simon Martin
2013-11-27  8:56                   ` Dario Faggioli
2013-11-27 13:00                     ` Simon Martin
2013-11-28 11:16                       ` Dario Faggioli
2013-11-28 11:57                         ` Simon Martin

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